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by icedchai 994 days ago
Why not use the root.hints file available for this purpose? https://www.iana.org/domains/root/files

Generally it is already included with most DNS servers, such as BIND.

1 comments

That is useful for the initial bootstrapping but should be updated or at least validated a few times a year. If package maintainers are updating it a few times a year that works too.
Root DNS server IP's do change. However, the old ones stay active for years. Updating your root.hints a few times a year is absolutely not necessary.